August 21, when Nat Turner led free and enslaved blacks in the rebellion of (1831), when the American Bar Association was founded (1878), when The Mona Lisa was stolen by an employee of the Louvre (1911), when President Eisenhower swore in Hawaii as the 50th state of the Union (1959), when Hayden Panettire was born (1989), and when Leon Trotsky died (1940).